Hotfix SubCommand

SpigotCore_Main/src/de/steamwar/command/SubCommand.java

@@ -86,7 +86,7 @@ class SubCommand {
                 name = mapper.value();
             } else {
                 SWCommand.StaticValue staticValue = parameter.getAnnotation(SWCommand.StaticValue.class);
-                if (parameter.getType() == String.class) {
+                if (staticValue != null && parameter.getType() == String.class) {
                     arguments[i - 1] = SWCommandUtils.createMapper(staticValue.value());
                     guards[i - 1] = getGuardChecker(parameter, localGuardChecker);
                     continue;